/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 22:02:04,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 22:02:04,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 22:02:04,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 22:02:04,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 22:02:04,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 22:02:04,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 22:02:04,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 22:02:04,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 22:02:04,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 22:02:04,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 22:02:04,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 22:02:04,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 22:02:04,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 22:02:04,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 22:02:04,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 22:02:04,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 22:02:04,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 22:02:04,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 22:02:04,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 22:02:04,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 22:02:04,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 22:02:04,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 22:02:04,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 22:02:04,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 22:02:04,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 22:02:04,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 22:02:04,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 22:02:04,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 22:02:04,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 22:02:04,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 22:02:04,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 22:02:04,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 22:02:04,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 22:02:04,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 22:02:04,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 22:02:04,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 22:02:04,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 22:02:04,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 22:02:04,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 22:02:04,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 22:02:04,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 22:02:04,775 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 22:02:04,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 22:02:04,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 22:02:04,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 22:02:04,777 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 22:02:04,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 22:02:04,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 22:02:04,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 22:02:04,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 22:02:04,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 22:02:04,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 22:02:04,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 22:02:04,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 22:02:04,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 22:02:04,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 22:02:04,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 22:02:04,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 22:02:04,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 22:02:04,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 22:02:04,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 22:02:04,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 22:02:04,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 22:02:04,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 22:02:04,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 22:02:04,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 22:02:04,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 22:02:04,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 22:02:04,783 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 22:02:05,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 22:02:05,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 22:02:05,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 22:02:05,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 22:02:05,242 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 22:02:05,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-28 22:02:05,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efa931f98/3d424de1183c4b48966fe7c129fe57dc/FLAGff6883136 [2020-10-28 22:02:06,194 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 22:02:06,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-28 22:02:06,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efa931f98/3d424de1183c4b48966fe7c129fe57dc/FLAGff6883136 [2020-10-28 22:02:06,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efa931f98/3d424de1183c4b48966fe7c129fe57dc [2020-10-28 22:02:06,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 22:02:06,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 22:02:06,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 22:02:06,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 22:02:06,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 22:02:06,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:02:06" (1/1) ... [2020-10-28 22:02:06,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a505d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:06, skipping insertion in model container [2020-10-28 22:02:06,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:02:06" (1/1) ... [2020-10-28 22:02:06,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 22:02:06,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 22:02:07,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 22:02:07,329 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 22:02:07,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 22:02:07,636 INFO L208 MainTranslator]: Completed translation [2020-10-28 22:02:07,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07 WrapperNode [2020-10-28 22:02:07,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 22:02:07,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 22:02:07,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 22:02:07,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 22:02:07,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (1/1) ... [2020-10-28 22:02:07,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (1/1) ... [2020-10-28 22:02:07,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (1/1) ... [2020-10-28 22:02:07,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (1/1) ... [2020-10-28 22:02:07,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (1/1) ... [2020-10-28 22:02:07,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (1/1) ... [2020-10-28 22:02:07,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (1/1) ... [2020-10-28 22:02:07,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 22:02:07,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 22:02:07,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 22:02:07,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 22:02:07,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 22:02:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 22:02:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 22:02:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 22:02:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 22:02:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-28 22:02:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-28 22:02:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-28 22:02:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-28 22:02:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 22:02:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 22:02:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-28 22:02:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-28 22:02:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-28 22:02:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-28 22:02:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 22:02:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 22:02:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 22:02:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 22:02:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 22:02:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 22:02:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 22:02:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 22:02:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 22:02:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 22:02:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 22:02:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 22:02:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 22:02:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2020-10-28 22:02:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2020-10-28 22:02:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2020-10-28 22:02:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2020-10-28 22:02:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2020-10-28 22:02:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2020-10-28 22:02:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2020-10-28 22:02:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2020-10-28 22:02:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2020-10-28 22:02:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2020-10-28 22:02:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2020-10-28 22:02:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 22:02:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2020-10-28 22:02:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 22:02:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 22:02:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2020-10-28 22:02:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2020-10-28 22:02:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2020-10-28 22:02:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2020-10-28 22:02:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2020-10-28 22:02:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2020-10-28 22:02:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 22:02:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-28 22:02:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-28 22:02:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-28 22:02:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-28 22:02:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-28 22:02:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-28 22:02:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-28 22:02:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-28 22:02:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-28 22:02:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-28 22:02:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-28 22:02:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-28 22:02:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-28 22:02:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-28 22:02:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 22:02:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 22:02:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 22:02:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 22:02:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2020-10-28 22:02:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 22:02:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 22:02:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 22:02:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 22:02:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2020-10-28 22:02:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-28 22:02:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 22:02:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 22:02:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-28 22:02:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-28 22:02:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-28 22:02:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 22:02:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 22:02:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 22:02:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 22:02:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 22:02:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 22:02:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 22:02:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 22:02:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 22:02:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 22:02:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 22:02:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 22:02:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 22:02:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 22:02:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-28 22:02:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 22:02:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-28 22:02:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-28 22:02:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-28 22:02:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 22:02:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 22:02:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 22:02:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 22:02:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-28 22:02:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 22:02:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 22:02:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 22:02:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 22:02:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 22:02:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-28 22:02:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2020-10-28 22:02:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2020-10-28 22:02:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-28 22:02:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 22:02:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-28 22:02:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2020-10-28 22:02:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2020-10-28 22:02:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 22:02:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2020-10-28 22:02:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2020-10-28 22:02:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-28 22:02:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 22:02:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2020-10-28 22:02:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 22:02:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2020-10-28 22:02:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-28 22:02:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-28 22:02:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 22:02:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-28 22:02:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 22:02:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-28 22:02:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-28 22:02:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-28 22:02:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-28 22:02:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-28 22:02:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 22:02:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 22:02:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 22:02:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 22:02:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 22:02:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 22:02:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 22:02:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 22:02:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 22:02:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-28 22:02:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-28 22:02:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 22:02:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 22:02:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 22:02:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 22:02:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 22:02:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 22:02:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 22:02:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 22:02:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 22:02:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 22:02:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2020-10-28 22:02:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2020-10-28 22:02:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2020-10-28 22:02:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2020-10-28 22:02:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2020-10-28 22:02:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2020-10-28 22:02:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2020-10-28 22:02:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2020-10-28 22:02:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2020-10-28 22:02:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 22:02:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 22:02:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 22:02:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 22:02:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2020-10-28 22:02:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2020-10-28 22:02:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2020-10-28 22:02:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 22:02:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 22:02:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 22:02:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 22:02:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 22:02:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-28 22:02:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-28 22:02:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-28 22:02:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-28 22:02:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-28 22:02:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 22:02:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-28 22:02:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-28 22:02:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-28 22:02:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-28 22:02:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 22:02:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 22:02:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 22:02:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 22:02:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 22:02:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 22:02:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 22:02:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 22:02:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 22:02:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 22:02:08,917 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 22:02:09,708 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 22:02:10,643 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 22:02:10,644 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 22:02:10,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:02:10 BoogieIcfgContainer [2020-10-28 22:02:10,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 22:02:10,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 22:02:10,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 22:02:10,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 22:02:10,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:02:06" (1/3) ... [2020-10-28 22:02:10,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f5ac91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:02:10, skipping insertion in model container [2020-10-28 22:02:10,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:02:07" (2/3) ... [2020-10-28 22:02:10,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f5ac91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:02:10, skipping insertion in model container [2020-10-28 22:02:10,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:02:10" (3/3) ... [2020-10-28 22:02:10,655 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-28 22:02:10,667 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 22:02:10,673 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 22:02:10,686 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 22:02:10,732 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 22:02:10,732 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 22:02:10,732 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 22:02:10,733 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 22:02:10,733 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 22:02:10,733 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 22:02:10,733 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 22:02:10,733 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 22:02:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states. [2020-10-28 22:02:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 22:02:10,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:02:10,800 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:02:10,800 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:02:10,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:02:10,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1775321223, now seen corresponding path program 1 times [2020-10-28 22:02:10,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:02:10,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975661321] [2020-10-28 22:02:10,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:02:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:11,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:11,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:12,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:13,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:13,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 22:02:13,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 22:02:13,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2612 [2020-10-28 22:02:13,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:13,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:02:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 22:02:13,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 22:02:15,328 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 22:02:15,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:02:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:15,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:15,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:15,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:15,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:15,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-28 22:02:15,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:15,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:15,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:15,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:15,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 22:02:15,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:15,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:02:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:15,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:15,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:15,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:15,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 22:02:15,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:15,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:15,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:15,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:02:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:15,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:15,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:15,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:15,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 22:02:15,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:15,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:15,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:15,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:02:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:15,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:15,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:15,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:15,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 22:02:15,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:15,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:15,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:15,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:15,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 22:02:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:15,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:15,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:15,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:02:15,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:15,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:02:15,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:15,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:15,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:02:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:15,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:02:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:16,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:16,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:16,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:16,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:16,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:02:16,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 22:02:16,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:16,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:16,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 22:02:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:16,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:16,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:16,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 22:02:16,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:16,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 22:02:16,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:16,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:16,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:16,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:16,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 22:02:16,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 22:02:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:02:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:16,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:16,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:16,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 22:02:16,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 22:02:16,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:16,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:02:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:16,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:16,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:16,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:16,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 22:02:16,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:16,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 22:02:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 22:02:16,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975661321] [2020-10-28 22:02:16,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:02:16,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 22:02:16,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678879722] [2020-10-28 22:02:16,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 22:02:16,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:02:16,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 22:02:16,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 22:02:16,178 INFO L87 Difference]: Start difference. First operand 570 states. Second operand 8 states. [2020-10-28 22:02:17,587 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 22:02:19,292 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 320 [2020-10-28 22:02:20,868 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 311 [2020-10-28 22:02:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:02:34,820 INFO L93 Difference]: Finished difference Result 1295 states and 1774 transitions. [2020-10-28 22:02:34,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 22:02:34,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 22:02:34,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:02:34,847 INFO L225 Difference]: With dead ends: 1295 [2020-10-28 22:02:34,848 INFO L226 Difference]: Without dead ends: 744 [2020-10-28 22:02:34,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-10-28 22:02:34,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-10-28 22:02:35,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 515. [2020-10-28 22:02:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2020-10-28 22:02:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 653 transitions. [2020-10-28 22:02:35,120 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 653 transitions. Word has length 58 [2020-10-28 22:02:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:02:35,121 INFO L481 AbstractCegarLoop]: Abstraction has 515 states and 653 transitions. [2020-10-28 22:02:35,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 22:02:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 653 transitions. [2020-10-28 22:02:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-28 22:02:35,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:02:35,130 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:02:35,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 22:02:35,130 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:02:35,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:02:35,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1133378988, now seen corresponding path program 1 times [2020-10-28 22:02:35,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:02:35,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34948749] [2020-10-28 22:02:35,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:02:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:35,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:37,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:37,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 22:02:37,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 22:02:37,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1874 [2020-10-28 22:02:37,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:37,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:02:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 22:02:37,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:38,433 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 22:02:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:02:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:38,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-28 22:02:38,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 22:02:38,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 22:02:38,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:02:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:38,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 22:02:38,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:38,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:02:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:38,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:38,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 22:02:38,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:38,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:02:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:38,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:38,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:02:38,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:38,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:38,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 22:02:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:02:38,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 22:02:38,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:02:38,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:38,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:02:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:38,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:02:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 22:02:38,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 22:02:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 22:02:38,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 22:02:38,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 22:02:38,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:38,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:02:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 22:02:38,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:38,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 22:02:38,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:38,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:38,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:02:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:38,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:38,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:38,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:38,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:38,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:02:38,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:38,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 22:02:39,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34948749] [2020-10-28 22:02:39,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:02:39,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 22:02:39,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719626531] [2020-10-28 22:02:39,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 22:02:39,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:02:39,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 22:02:39,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 22:02:39,014 INFO L87 Difference]: Start difference. First operand 515 states and 653 transitions. Second operand 7 states. [2020-10-28 22:02:40,235 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 22:02:41,959 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 319 [2020-10-28 22:02:43,484 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 22:02:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:02:56,815 INFO L93 Difference]: Finished difference Result 748 states and 1016 transitions. [2020-10-28 22:02:56,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 22:02:56,820 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-10-28 22:02:56,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:02:56,828 INFO L225 Difference]: With dead ends: 748 [2020-10-28 22:02:56,828 INFO L226 Difference]: Without dead ends: 743 [2020-10-28 22:02:56,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 22:02:56,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-10-28 22:02:56,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 514. [2020-10-28 22:02:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-10-28 22:02:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 651 transitions. [2020-10-28 22:02:56,999 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 651 transitions. Word has length 59 [2020-10-28 22:02:57,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:02:57,000 INFO L481 AbstractCegarLoop]: Abstraction has 514 states and 651 transitions. [2020-10-28 22:02:57,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 22:02:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 651 transitions. [2020-10-28 22:02:57,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 22:02:57,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:02:57,003 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:02:57,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 22:02:57,004 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:02:57,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:02:57,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1104095126, now seen corresponding path program 1 times [2020-10-28 22:02:57,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:02:57,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641458250] [2020-10-28 22:02:57,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:02:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:57,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:57,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:57,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:58,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:58,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 22:02:58,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 22:02:58,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1483 [2020-10-28 22:02:58,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:58,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:02:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 22:02:58,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:59,990 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 22:02:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:03:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:03:00,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:00,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-28 22:03:00,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 22:03:00,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:03:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:00,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:00,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:03:00,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:00,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 22:03:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:03:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:00,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 22:03:00,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:00,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:00,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:03:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:00,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:00,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 22:03:00,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:00,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:00,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 22:03:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:03:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 22:03:00,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:03:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:00,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:03:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:00,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:03:00,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 22:03:00,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:00,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 22:03:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 22:03:00,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:03:00,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 22:03:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:00,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:03:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 22:03:00,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 22:03:00,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:00,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:03:00,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:03:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:00,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:00,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:03:00,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:03:00,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:00,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 22:03:00,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641458250] [2020-10-28 22:03:00,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:03:00,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 22:03:00,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938740582] [2020-10-28 22:03:00,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 22:03:00,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:03:00,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 22:03:00,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 22:03:00,521 INFO L87 Difference]: Start difference. First operand 514 states and 651 transitions. Second operand 7 states. [2020-10-28 22:03:01,858 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 22:03:03,554 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 22:03:05,053 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 22:03:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:03:18,393 INFO L93 Difference]: Finished difference Result 747 states and 1014 transitions. [2020-10-28 22:03:18,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 22:03:18,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-10-28 22:03:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:03:18,401 INFO L225 Difference]: With dead ends: 747 [2020-10-28 22:03:18,401 INFO L226 Difference]: Without dead ends: 742 [2020-10-28 22:03:18,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 22:03:18,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-10-28 22:03:18,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 513. [2020-10-28 22:03:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-10-28 22:03:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 649 transitions. [2020-10-28 22:03:18,558 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 649 transitions. Word has length 60 [2020-10-28 22:03:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:03:18,559 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 649 transitions. [2020-10-28 22:03:18,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 22:03:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 649 transitions. [2020-10-28 22:03:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 22:03:18,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:03:18,561 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:03:18,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 22:03:18,561 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:03:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:03:18,562 INFO L82 PathProgramCache]: Analyzing trace with hash -191618217, now seen corresponding path program 1 times [2020-10-28 22:03:18,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:03:18,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574325233] [2020-10-28 22:03:18,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:03:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:18,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:18,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:18,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:21,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:21,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 22:03:21,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 22:03:21,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3017 [2020-10-28 22:03:21,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:21,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:21,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 22:03:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 22:03:21,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:22,897 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 22:03:22,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:03:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:22,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:22,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:22,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:03:22,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 22:03:22,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:22,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:22,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:03:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:23,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:23,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:23,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 22:03:23,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:23,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:03:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:23,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:23,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:03:23,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:23,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:23,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:03:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:23,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:23,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 22:03:23,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:23,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:23,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 22:03:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:23,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:23,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:03:23,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:03:23,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:23,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:23,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:03:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:23,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:23,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:03:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:03:23,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:23,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 22:03:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:23,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:23,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 22:03:23,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 22:03:23,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:23,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 22:03:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:03:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:23,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 22:03:23,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 22:03:23,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:23,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:03:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:23,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:23,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:23,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:03:23,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:03:23,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:23,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 22:03:23,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574325233] [2020-10-28 22:03:23,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:03:23,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 22:03:23,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853029591] [2020-10-28 22:03:23,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 22:03:23,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:03:23,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 22:03:23,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 22:03:23,229 INFO L87 Difference]: Start difference. First operand 513 states and 649 transitions. Second operand 7 states. [2020-10-28 22:03:24,593 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 22:03:26,244 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 22:03:27,756 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 22:03:51,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:03:51,677 INFO L93 Difference]: Finished difference Result 1404 states and 1907 transitions. [2020-10-28 22:03:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 22:03:51,678 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-10-28 22:03:51,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:03:51,688 INFO L225 Difference]: With dead ends: 1404 [2020-10-28 22:03:51,688 INFO L226 Difference]: Without dead ends: 1379 [2020-10-28 22:03:51,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-10-28 22:03:51,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2020-10-28 22:03:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 948. [2020-10-28 22:03:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-10-28 22:03:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1211 transitions. [2020-10-28 22:03:51,930 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1211 transitions. Word has length 61 [2020-10-28 22:03:51,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:03:51,932 INFO L481 AbstractCegarLoop]: Abstraction has 948 states and 1211 transitions. [2020-10-28 22:03:51,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 22:03:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1211 transitions. [2020-10-28 22:03:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-28 22:03:51,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:03:51,937 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:03:51,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 22:03:51,937 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:03:51,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:03:51,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1450687843, now seen corresponding path program 1 times [2020-10-28 22:03:51,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:03:51,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274322236] [2020-10-28 22:03:51,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:03:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:52,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:53,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:53,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 22:03:53,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:03:53,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1387 [2020-10-28 22:03:53,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:53,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:53,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 22:03:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:03:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 22:03:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:54,765 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 22:03:54,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:03:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:54,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:54,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:54,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:03:54,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:54,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-28 22:03:54,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:54,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:54,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:54,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:54,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 22:03:54,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:54,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:03:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:54,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:54,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:54,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:54,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:54,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 22:03:54,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:54,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:54,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:03:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:54,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:55,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:55,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 22:03:55,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:55,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:55,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:03:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:55,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:55,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 22:03:55,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:55,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:55,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 22:03:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:55,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:03:55,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:55,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 22:03:55,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:03:55,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:03:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:55,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:55,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:03:55,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 22:03:55,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:55,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:55,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:55,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 22:03:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:55,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 22:03:55,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:55,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 22:03:55,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 22:03:55,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:55,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:03:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:55,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 22:03:55,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:55,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:03:55,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:55,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:55,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:55,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:03:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:55,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:03:55,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:55,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:03:55,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:55,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:55,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:03:55,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:03:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:55,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:03:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 22:03:55,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:55,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:03:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:55,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:55,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:55,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:55,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:03:55,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:55,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:55,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 22:03:55,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274322236] [2020-10-28 22:03:55,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:03:55,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 22:03:55,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046137597] [2020-10-28 22:03:55,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 22:03:55,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:03:55,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 22:03:55,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 22:03:55,301 INFO L87 Difference]: Start difference. First operand 948 states and 1211 transitions. Second operand 8 states. [2020-10-28 22:03:56,706 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 22:03:58,372 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 22:03:59,852 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 22:04:24,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:04:24,072 INFO L93 Difference]: Finished difference Result 3600 states and 4862 transitions. [2020-10-28 22:04:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 22:04:24,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-10-28 22:04:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:04:24,089 INFO L225 Difference]: With dead ends: 3600 [2020-10-28 22:04:24,089 INFO L226 Difference]: Without dead ends: 2673 [2020-10-28 22:04:24,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2020-10-28 22:04:24,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2020-10-28 22:04:24,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 1911. [2020-10-28 22:04:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1911 states. [2020-10-28 22:04:24,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2465 transitions. [2020-10-28 22:04:24,549 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2465 transitions. Word has length 77 [2020-10-28 22:04:24,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:04:24,549 INFO L481 AbstractCegarLoop]: Abstraction has 1911 states and 2465 transitions. [2020-10-28 22:04:24,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 22:04:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2465 transitions. [2020-10-28 22:04:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-28 22:04:24,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:04:24,551 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:04:24,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 22:04:24,552 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:04:24,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:04:24,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1701919681, now seen corresponding path program 1 times [2020-10-28 22:04:24,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:04:24,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670706585] [2020-10-28 22:04:24,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:04:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:24,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:24,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:25,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:25,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 22:04:25,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:04:25,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 677 [2020-10-28 22:04:25,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:25,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:04:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:04:25,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 22:04:25,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:26,641 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 22:04:26,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:04:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:26,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:26,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:26,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 22:04:26,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:26,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:04:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 22:04:26,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:26,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:04:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:26,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:26,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:26,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:26,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:26,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 22:04:26,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:26,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:04:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:04:26,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:04:26,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:04:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:26,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:26,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:26,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:26,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 22:04:26,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:26,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:04:26,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:26,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:04:26,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:26,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:04:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:26,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:26,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:26,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:26,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 22:04:26,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:26,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:04:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:04:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:04:26,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 22:04:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:26,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:26,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:26,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:04:26,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:26,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 22:04:26,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:26,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:04:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:04:26,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:04:26,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:04:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:26,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:26,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:26,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:26,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:26,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:04:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 22:04:26,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:26,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 22:04:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 22:04:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:04:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:27,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 22:04:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:27,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:27,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:27,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 22:04:27,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:27,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 22:04:27,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:27,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:04:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 22:04:27,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:27,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:04:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:27,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:27,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:27,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 22:04:27,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:04:27,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:27,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:27,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:04:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:27,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:27,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:27,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:27,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:27,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:27,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:27,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:27,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:27,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:04:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:27,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:27,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:27,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:04:27,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:27,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 22:04:27,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:27,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:27,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:04:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:27,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:27,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:27,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:27,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:27,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:27,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 22:04:27,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670706585] [2020-10-28 22:04:27,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:04:27,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 22:04:27,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609693848] [2020-10-28 22:04:27,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 22:04:27,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:04:27,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 22:04:27,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 22:04:27,290 INFO L87 Difference]: Start difference. First operand 1911 states and 2465 transitions. Second operand 10 states. [2020-10-28 22:04:28,663 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 22:04:30,446 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 22:04:31,951 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 22:04:34,000 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 320 [2020-10-28 22:04:35,539 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 322 [2020-10-28 22:04:49,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:04:49,031 INFO L93 Difference]: Finished difference Result 4290 states and 5613 transitions. [2020-10-28 22:04:49,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 22:04:49,032 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-10-28 22:04:49,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:04:49,045 INFO L225 Difference]: With dead ends: 4290 [2020-10-28 22:04:49,046 INFO L226 Difference]: Without dead ends: 2378 [2020-10-28 22:04:49,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-28 22:04:49,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2020-10-28 22:04:49,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 1892. [2020-10-28 22:04:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1892 states. [2020-10-28 22:04:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2442 transitions. [2020-10-28 22:04:49,533 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2442 transitions. Word has length 78 [2020-10-28 22:04:49,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:04:49,534 INFO L481 AbstractCegarLoop]: Abstraction has 1892 states and 2442 transitions. [2020-10-28 22:04:49,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 22:04:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2442 transitions. [2020-10-28 22:04:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-28 22:04:49,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:04:49,543 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:04:49,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 22:04:49,544 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:04:49,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:04:49,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1520930137, now seen corresponding path program 1 times [2020-10-28 22:04:49,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:04:49,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831999454] [2020-10-28 22:04:49,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:04:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:49,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:49,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:49,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:50,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:51,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:52,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:54,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:54,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:54,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-28 22:04:54,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 22:04:54,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-28 22:04:54,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:54,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:04:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 22:04:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:04:54,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:04:55,934 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 22:04:55,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:04:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:55,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:56,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 22:04:56,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:04:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:56,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:04:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:56,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:04:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:56,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 22:04:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:04:56,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:04:56,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:04:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 22:04:56,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:04:56,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 22:04:56,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 22:04:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:56,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:04:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 22:04:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:04:56,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 22:04:56,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 22:04:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:04:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:04:56,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 22:04:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:56,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:04:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 22:04:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 22:04:56,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 22:04:56,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 22:04:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:04:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:56,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:04:56,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 22:04:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:56,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:04:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 22:04:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:04:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 22:04:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 22:04:56,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:04:56,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 22:04:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:04:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:04:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:56,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:56,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:04:56,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-28 22:04:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 22:04:56,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 22:04:56,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-10-28 22:04:56,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 22:04:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 22:04:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:56,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:56,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:56,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 22:04:56,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 22:04:56,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:56,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:56,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 22:04:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:57,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:57,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:57,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:57,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:57,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:57,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:57,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:57,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:57,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:57,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:57,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:04:57,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 22:04:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:57,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:57,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:57,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:57,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:57,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:57,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:57,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:57,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:57,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:57,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:57,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:57,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 22:04:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:57,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:57,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:57,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:57,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:57,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:57,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:57,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:57,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:04:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:04:57,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:04:57,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:04:57,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:04:57,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:04:57,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:04:57,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:04:57,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:04:57,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:04:57,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:04:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:04:57,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:04:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-28 22:04:57,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831999454] [2020-10-28 22:04:57,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:04:57,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 22:04:57,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257103040] [2020-10-28 22:04:57,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 22:04:57,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:04:57,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 22:04:57,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 22:04:57,108 INFO L87 Difference]: Start difference. First operand 1892 states and 2442 transitions. Second operand 9 states. [2020-10-28 22:04:58,362 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 22:04:59,923 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 22:05:01,296 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 22:05:13,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:05:13,979 INFO L93 Difference]: Finished difference Result 5281 states and 6827 transitions. [2020-10-28 22:05:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 22:05:13,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2020-10-28 22:05:13,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:05:13,998 INFO L225 Difference]: With dead ends: 5281 [2020-10-28 22:05:13,998 INFO L226 Difference]: Without dead ends: 3411 [2020-10-28 22:05:14,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-28 22:05:14,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3411 states. [2020-10-28 22:05:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3411 to 2708. [2020-10-28 22:05:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2708 states. [2020-10-28 22:05:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3434 transitions. [2020-10-28 22:05:14,734 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3434 transitions. Word has length 155 [2020-10-28 22:05:14,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:05:14,734 INFO L481 AbstractCegarLoop]: Abstraction has 2708 states and 3434 transitions. [2020-10-28 22:05:14,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 22:05:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3434 transitions. [2020-10-28 22:05:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-28 22:05:14,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:05:14,743 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:05:14,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 22:05:14,744 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:05:14,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:05:14,745 INFO L82 PathProgramCache]: Analyzing trace with hash 732218435, now seen corresponding path program 1 times [2020-10-28 22:05:14,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:05:14,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647060268] [2020-10-28 22:05:14,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:05:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:14,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:14,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:15,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:15,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:15,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:19,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:19,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-28 22:05:19,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 22:05:19,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 22:05:19,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:19,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 22:05:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 22:05:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-28 22:05:19,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,165 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 22:05:21,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:05:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:21,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 22:05:21,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:05:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:05:21,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:21,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:05:21,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:05:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:05:21,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:21,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:05:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:05:21,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:21,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 22:05:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:05:21,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:21,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:05:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 22:05:21,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:05:21,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 22:05:21,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 22:05:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 22:05:21,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 22:05:21,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:05:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 22:05:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 22:05:21,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:05:21,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:21,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:21,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:05:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:05:21,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 22:05:21,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:05:21,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:05:21,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:21,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 22:05:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 22:05:21,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 22:05:21,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:05:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 22:05:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:05:21,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:21,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 22:05:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:21,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:05:21,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:21,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:21,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:21,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:21,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:21,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:21,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:21,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:21,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 22:05:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:21,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:21,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 22:05:23,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 22:05:23,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1609 [2020-10-28 22:05:23,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:05:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 22:05:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:23,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:23,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:05:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:05:23,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 22:05:23,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:05:23,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:23,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 22:05:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:23,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:23,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 22:05:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 22:05:23,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 22:05:23,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:05:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:23,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:23,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:05:23,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 22:05:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:23,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:23,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 22:05:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:23,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:23,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 22:05:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 22:05:23,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 22:05:23,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 22:05:23,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 22:05:23,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:05:23,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:23,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:23,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:05:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 22:05:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:23,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:23,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 22:05:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 22:05:23,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 22:05:23,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 22:05:23,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:05:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 22:05:23,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 22:05:23,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:05:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:05:23,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:05:23,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:05:23,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:05:23,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:05:23,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 22:05:23,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:05:23,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:05:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:05:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:05:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:05:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:05:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 22:05:23,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1647060268] [2020-10-28 22:05:23,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:05:23,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 22:05:23,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11123310] [2020-10-28 22:05:23,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 22:05:23,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:05:23,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 22:05:23,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-28 22:05:23,678 INFO L87 Difference]: Start difference. First operand 2708 states and 3434 transitions. Second operand 14 states. [2020-10-28 22:05:25,014 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 22:05:26,951 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 22:05:28,481 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 22:05:31,875 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 22:05:34,077 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 309